Assigetor to gbeist d



A. E. FISH,

CONCENTRATOR TABLE.

APPLICATION FILED NOV- H. 1916.

Patented Oct. 21, 1919.

3 SHEETSSHEET I.

A. E. FISH.

CONCENTRATOR TABLE.

APPHCATION FILED NOV. 11. 1916.

3 SHEETS-SHEET 2.

Patented Oct. 21, 1919.

A. E. FISH CONCENTRATOR TABLE.

v APPLICATION TILED NOV. II, 1916. 1,819,883. Patented Oct. 21,1919.

3 SHEETSSHEET 3.

1111mm for ED TATE$ EN AL ERT n ia'rsir, or DENVER, cog-Joanne, Ass'lcmoitro' Grier:

' DENVER, COLORADO.

To all/whom it may concern:

iBeitknown that I, ALBERT E. Frsrr, citizen of the United States, residing at the city and countyof Denver and State ofv Colorado, have invented certain new and useful Improvements in Concentrator-Tables; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable othersskilled in the art to which .it appertains tomake and use the same, reference being had to the accompanying drawings, and to the characters of reference marked thereon, which form a part of this specification.

The present invention relates to improvements in concentrators for separating mineral from the pulverized rock or sand in whichit maybe contained and the main object of the invention is to accomplish such separation in a more rapid, efficient and eco- 1101111631 manner thanhas been done heretofore. v

The invention relates to concentrators of the class whercln a table 1s mounted to oscillate longitudinally in such a manner as to cause the concentrates to traveltoward the tail of the table, or the extremity opposite the head where the material to be treated is fed lower longitudinal edge ofthe table,-which is inclined both longitudinally and trans versely. a a The material to be treated, in the form of pulp, is dischargedat the upper or highest corner of the head of the table while the wash Water utilized in treating the material.v is delivered to atrough arranged along thev upper longitudinal edge of the itable, onen wallof the:trough being perforated to per-W mit the escape of the water to the concen U tion, partly, in elevation of the ad uStable An important feature of the present ins trating surface of the table top.

vcntion which makes the apparatus more effifreeze? on the table, is the provision of a seriesof .agitatorsadapted to be positioned o to operate onthe material between the rilfles. These. agitators" are in'themselves stationary i ""but 'they are mounted in such manner as'to extend downwardly between the riflies which latter, together with thetable on which they are.carried,.lreciprocate rapldly n relat on, tothe agitatoraj. In order to use such agltar.

OFFIC cQNCE TRATOR-TABLE,

1 Specification of Letters Patent. Patented 0 1;. 21, 1919.

application fi1ed Novemberll, 191s. SeriaI No. 130,886;

fHABRINGTONfOF 1 te -s practically a is essential that they a ture of the present invention. The individual rilfle plates are each composed ofa row of alternately disposed upstanding rectangular lugs or plates and similarly shaped openings or cut away places. The riflie plates vare arrangedion the surface of the table in'such manner as to provide a stag,

gered relation of these plates and cut out portions transversely across the table. The riflie plates in addition to tapering gradually downwardly from the head to the tail of i the table, also taper downwardly from the frontto the back of the table. By use of these out out staggered rifiie plates tapering in'two directions the concentratesare forced to movein a hack and forth, zigzag path across the face ofthe table, the values being collected at the lower, outer edge thereof.

With these and other objectsin view the invention consists in the combination and arrangement ofparts, more-fully set forth in the following specification, illustrated in the accompanying drawing and 'more particularly pointed out in the appended claims.

In the drawings a u;

Figure 1 is a top plan view of a concentrator having one embodiment of the present invention incorporated therein.

Fig.2 is a transverse sectional view taken a on the-liheQ-Q of Fig. 1, drawn to a larger scale. V'Fig. 3 is .a side elevation of one of the small riffleplates. f u a a Fig. ,4 is, asimilar view of one, of the large riflieplates. .r 4 j 1 -'Fig. 5i-s an enlarged detail, partly in secmeans of a screw threaded rod 11 and clamping nuts 12 carried thereon. Each b1'a cket;.8.. is provided with a pair of connecting plates 13,;the opposite ends, ofwhich have ball and socliet'connections with securing plates l i carried at the under side-of tl'ie-table and two arms 15 of the bracket 8 respectiyely.

Figs 3 where one of the smaller rifiies is u a e that th s nl qe iditiee WW??? and it also be noted that the solid portions :24; near the upper head end of this niffle are much lower than the corresponding 70 portions of the longer riffles. In this manner it will be. seen that the end A of thefirst riille illustrated in Fig. 1 and located a't'tli'e' The table is normally positioned so astoincline both longitudinally "and transversely, 2'. 6., the front longitudinal edgeis lower than the rear-edge andthe tail .end is lower 15 than the "head'endi -1t.w illbeseen that table when mounted asliereinhet'ore de-p scribed 'can beeasi-lyco'nnected "with any suitable head: motion 'ClEVICGQ'I i order to; pro

a duce a 'quickback and jfortlif reciprocating or 1 oscillating moyeme'nt as it is ire-- q y 'wh a i ll cl' ro pipe;

16 into the feed boar l7 passes' throng'li 25 WVashwater is supplied through a pipe l9 o 6 t ti iishfi rQmEWh' h p s es. through a series of perforations .onto "the table 6; A'taiIingbo Ql'is suitably locatedri a hef r rd' e u fi ibd eof.t e a l 3E) and? sutli ciently. beneath the" samef tofcatch' the overflow ofjtheiganguei, A similar box 22 is lo catedibelowl the; surface o ff the I table i h i cqn n iai s, d schar end 7 g 7 rec vefthe concentrates "or metal ii tr m ail-light rm' as x i o t i w.

ture ot the present invention are arranged f longitudinallyj offthe table andftheir ends terminate inechelon forming a diagonal line al edge l @The plates (see Figsf3 and' 4)" each 'coiiip'irsesa pill-j rality ofsolid, rectangular portions 2st and alternately arranged cut awayxportions' or V openings 25. The rittles are applied to the H surface of thetable in such manner that the 51') solid and cutaway portions. of one riflle are' a ge ed-i rel ti te. OI PO KL QI hQla or cut' "away portions of the adjacent .rifiles.

By this construction it will be seenthat as theore passes from the .rearto tllBjfOIWiLICl '55 edge of the table inadlditionjto its back and forward "edge of the table is higher than any corresponding portion of any rifile "on the table and that from this height" the riiiles greatly incline downwardlytoward theflcon v centrates discharge end or the table and also theyinclinedownwardly in a back 'ortlfafns verse directiontoward the rear or elevated 86 edge of the tablepf A' plurality of stationary agitating devic s are" carried by transversely arrangedbars or 1neinbers '26 shownbest in Fig l. These; members are supported by a pair of parallel rods 27" extending longitudinally above the? table and beingrigidly secured to the lower ends of sliding bracket plates 28: which aresuspended from an upper longitudinal beam- :29 of the, frame-work; Each-"bracket plate 9 0' 291s ,proyided with Vertical adjusting means comprising-afscrew' threaded rod Q'Qfand manipulating handle 30 In this manner; the longitudinal rods 27 be adjusted to i assume {a position-"normallyparallel with and"suitabl-yspaced above thesurfaceof the table 6. The bracket plates 28 are formed with central openings whichslidably engage fixed plates secured to thebeam'Q-Q by meansof bolts passing 'therethrough. 10-0 These bolts carry at their outer ends nuts'35. By loosening these nuts the bracket plates 28; may be swung in either direction out otthej; vertical in ordentoenable-the agitators-to be adjusted tofcorrespond:with tlie tilt of the table The several lagitatingdeyices which are carried by the-traii'syerse rods 26 each comprise a plurality of prongs 31 the upper end sfloffwhich areclainpfed togethernnd se- V cured within the lower ends or ds' or" pins -1 10' 3ras' s. re eell up ardl h u h "the :j ro ds26Kandv beingflield in place by'nuts 34 hrea ed-Oa hs: U PBQ L QS- BY, f u' st es the 'nutsBaup or;clown alo11gtheboltsEBthe rt eal. ie t'pfthe ii i i ir r a on to th'e'ta'ble '6 may be ai iedto accommodate ther. ar e ilfine q i iTh'e p ieils 3 r p ad. w s SQ ai i-p s t" 3 ,11 i V are iilei iturl n fm eme t. t is ..r quire it tUthread its way in and out between the" openings andprojections of the several rifile a p t -Th Mri P 36 are ur er, ne 60* structedandarranged in such manner that they taper in both directions. Reference to Fig. 4 illustrates how the solid portions 24 of thisriflle which is one of the longerones) gradually taper from the left hand end to,

65 the right hand end. It will be seen that in which carry the agitating devices is absolutely essential in order that the several fingers throughout the entire area of the table may be maintained in operative relation between the riflie plates.

By means of the special construction and arrangement of the rifiie plates provided with cut out sections and disposed in staggered relation to each other and also by the use of the fixed agitating devices a much more thorough and effective separation is accomplished within a shorter space of time than could be accomplished by machines of the usual type. These improvements not only have the advantage of greatly increasing the rapidity of the action of the machine but they also give it a larger capacity than machines would possess constructed according to the usual and well known specifications.

I-Iaving described my invention what I claim is:

l. A concentrator of the continuous discharge type having a plurality of longitudinally disposed rifiie plates each having alternately formed solid and cut away portions, the said plates being disposed with their cut away portions in staggered relation across the surface of the table and a plurality of stationary agitating devices positioned to act on the material between the riiiies and arranged in staggered relation.

2. In a concentrator table, a plurality of longitudinally arranged riflie plates each having alternately formed solid and cut away portions, the solid portions being graduated in height from one extremity of the rii'lle plate to the other and the solid portions of the adjacent rifile plates being graduated in height transversely of the table.

3. The combination with a reciprocating concentrator table providing for the continuous discharge of the concentrates and provided with riffies, of stationary agitating devices bodily and uniformly adjustably positioned above the table and free of attachment thereto, and adapted to act on the material between the riflles.

4. The combination with a concentrator table, of an agitating device mounted above the said table, means for vertically adjusting said device, and means for imparting an oscillatory adjustment movement thereto, the two movements being independent of each other.

5. The combination with a reciprocating concentrator table mounted in a frame havinglongitudinally disposed riflies formed thereon, of means for adjustably inclining the table brackets pivotally suspended from the frame, rods movably supported by said brackets, agitating devices carried by the said rods, and means for securing the brackets and rods in a fixed position, whereby the said agitating devices will act upon the material between the riflies.

6. The combination with a reciprocating concentrator table providing for the continuous discharge of the concentrates and provided with rifl'les, of stationary agitating devices positioned above the table, free of attachment thereto and adapted to act on the material between the riffles.

7 The combination with a reciprocating concentrator table providing for the continuous discharge of the concentrates and provided with rifiies, the riflies gradually increasing in height from one end to the other, of stationary agitators positioned above the table, free of attachment thereto and adapted to act on the material between the rifiies.

8. A concentrator of the continuous discharge type having a plurality of longitudi- ALBERT E.- FISH.

Witnesses:

HELEN A. VILLEMAGNE, GHAs. E. PARSONS.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents, Washington, D. G. 

